Decision Workspace
generic-pool vs fastalloc vs mempool
Side-by-side comparison of Rust crates
39
generic-pool
growingv1.0.0
A pool for recycling allocated objects for later reuse. Uses generic get/put methods so you can store (almost) any type in a single pool instance.
54
fastalloc
growingv1.5.0
High-performance memory pooling library with type-safe handles, predictable latency, and zero fragmentation. Perfect for game engines, real-time systems, and high-churn workloads.
53
mempool
growingv0.3.2
UNMAINTAINED AND DEPRECATED, DO NOT USE, SEE `thread_local` instead
Core Metrics
| generic-pool | fastalloc | mempool | |
|---|---|---|---|
| Health Score | 39 | 54 | 53 |
| Total Downloads | 1.8K | 666 | 209.1K |
| 30d Downloads | 0 | 0 | 897 |
| Dependents | 0 | 0 | 10 |
| Releases | 1 | 4 | 7 |
| Last Updated | 1781d ago | 256d ago | 14d ago |
| Age | 4y 10m | 9m | 10y 3m |
Health Breakdown
generic-pool
Maintenance
1
Quality
20
Community
5
Popularity
4
Documentation
9
fastalloc
Maintenance
10
Quality
20
Community
6
Popularity
3
Documentation
15
mempool
Maintenance
14
Quality
16
Community
6
Popularity
6
Documentation
11
Technical Details
| generic-pool | fastalloc | mempool | |
|---|---|---|---|
| Version | 1.0.0 | 1.5.0 | 0.3.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | MIT | Unlicense/MIT |
| Dependencies | 1 | 7 | 2 |
| Crate Size | 12KB | 83KB | 6KB |
| Features | 0 | 8 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | — |
| MSRV | — | 1.70.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fastalloc leads with a health score of 54/100, but none of the options score above 80.
- •mempool has the most downloads (209.1K), suggesting wider adoption.
- •⚠ generic-pool has not been updated in over a year.
- •mempool is pre-1.0 — API may change.